When were bar codes first used?

Answer In 1948, Bernard Silver, a graduate student at Drexel Institute of Technology in Philadelphia made the first step in the use of bar codes. Silver and Norman Joseph Woodland, a twenty-seven-year-old... Read More »

Top Q&A For: When were bar codes first used

When were exponents first used?

While the Egyptian Ahmes Papyrus (2000-1800 B.C.) is the oldest known mathematical computation document that uses a type of math that could be translated into exponents; two Indian Beez Ganit vedas... Read More »

When were tents first used?

A tent is a very simple structure consisting of no more than a sheet or other material draped over supporting materials to form a habitable structure. Tents have been in use since prehistory by nom... Read More »

When were blu ray players first used?

Nothing. The laser in a DVD player is too wide to read data encoded on a Blu-Ray disc. It would simply return some sort of error message, such as "Disc read error" or "no disc inserted."

When were car seats first used?

Car seats were first used in 1898. The first car seats were actually drawstring sacks. The child was placed in the sack and tied to the seat to keep them from falling off.Source:Garage Keepers: The... Read More »